#10597: fix Py_SetPythonHome docs by pointing to where the meaning of...

#10597: fix Py_SetPythonHome docs by pointing to where the meaning of PYTHONHOME is already documented.

Doc/c-api/init.rst

@@ -412,8 +412,9 @@ Initialization, Finalization, and Threads
 .. c:function:: void Py_SetPythonHome(wchar_t *home)
 
    Set the default "home" directory, that is, the location of the standard
-   Python libraries.  The libraries are searched in
-   :file:`{home}/lib/python{version}` and :file:`{home}/lib/python{version}`.
+   Python libraries.  See :envvar:`PYTHONHOME` for the meaning of the
+   argument string.
+
    The argument should point to a zero-terminated character string in static
    storage whose contents will not change for the duration of the program's
    execution.  No code in the Python interpreter will change the contents of